Barbara Spivak, MD
NPI 1952301251 · Internal Medicine Physician · Watertown, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Spivak, MD is a Internal Medicine Physician provider in Watertown, MA (NPI 1952301251).
Provider details
- NPI number
- 1952301251
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 42733 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,339 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 306 | $140 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 234 | $9 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 150 | $21 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 148 | $17 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 132 | $21 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 395 | 106 |
| Lisinopril | 318 | 80 |
| Amlodipine Besylate | 255 | 66 |
| Simvastatin | 204 | 55 |
| Metoprolol Succinate | 203 | 54 |
| Lorazepam | 203 | 39 |
| Gabapentin | 187 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$62 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-28
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Barbara Spivak's NPI number?
- Barbara Spivak's National Provider Identifier (NPI) is 1952301251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Spivak's specialty?
- Barbara Spivak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Spivak located?
- Barbara Spivak's practice location on file with NPPES is 480 Pleasant St Ste A300, Watertown, MA 02472-2463.
- What is Barbara Spivak's phone number?
- The practice phone number listed in the NPPES registry for Barbara Spivak is (617) 926-9000.
- Does Barbara Spivak accept Medicare?
- Barbara Spivak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Spivak's NPI active?
- Yes — Barbara Spivak's NPI (1952301251) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.